Oldsmobile Alero (2003) – fuse box diagram
Year of production: 2003
Instrument panel fuse box
Driver’s Side
| Fuse | Usage |
| WIPER | Windshield Wiper Motor, Washer Pump |
| TRUNK REL/RFA/RADIO AMP |
Trunk Release Relay/Motor, Audio Amplifier/RFA |
| TURN LPS | Turn Signal Lamps |
| PWR MIRROR | Power Mirrors |
| AIR BAG | Air Bags |
| BFC BATT | Body Computer (BFC) |
| PCM ACC | Power Control Module (PCM) |
| DR LOCK | Door Lock Motors |
| IPC/BFC ACC | Cluster, Body Computer (BFC) |
| STOP LPS | Stop Lamps |
| HAZARD LPS | Hazard Lamps |
| IPC/HVAC BATT | HVAC Head, Cluster, Data Link Connector |
| Circuit Breaker | Usage |
| PWR SEAT | Power Seats |
| Relay | Usage |
| TRUNK REL | Trunk Relay |
| DR UNLOCK | Door Unlock Relay |
| DR LOCK | Door Lock Relay |
| DRIVER DR UNLOCK | Driver’s Door Unlock Relay |
Passenger’s Side
| Fuse | Usage |
| INST LPS | Interior Lamp Dimming |
| CRUISE SW LPS | Steering Wheel Cruise Control Switch Lamps |
| CRUISE SW | Steering Wheel Cruise Control Switches |
| HVAC BLOWER | HVAC Blower Motor |
| CRUISE | Cruise Control |
| FOG LPS | Fog Lamps |
| INT LPS | Interior Courtesy Lamps |
| RADIO BATT | Radio, XMTM Satellite Radio/DAB |
| SUNROOF | Power Sunroof |
| Circuit Breaker | Usage |
| PWR WNDW | Power Windows |
| Circuit Breaker | Usage |
| FOG LPS | Fog Lamps |
Engine compartment fuse block
| Fuse | Usage |
| Maxi-Fuses | |
| 1 | Ignition Switch |
| 2 | Right Electrical Center-Fog Lamps, Radio, Body Function Control Module, Interior Lamps |
| 3 | Left Electrical Center-Stop Lamps, Hazard Lamps, Body Function Control Module, Cluster, Climate Control System |
| 4 | Anti-Lock Brakes |
| 5 | Ignition Switch |
| 6 | Not Used |
| 7 | Ignition Switch |
| 8 | Cooling Fan #1 |
| Mini-Relays | |
| 9 | Rear Defog |
| 10 | Not Used |
| 11 | Starter |
| 12 | Cooling Fan #1 |
| 13 | HVAC Blower (Climate Control) |
| 14 | Cooling Fan #2 |
| 15 | Cooling Fan |
| Micro-Relays | |
| 16 | Air Conditioning Compressor |
| 17 | Not Used |
| 18 | Fuel Pump |
| 19 | Automatic Light Control |
| 20 | Automatic Light Control |
| 21 | Horn |
| 22 | Daytime Running Lamps (DRL) |
| Mini-Fuses | |
| 23 | Spare Fuse Holder |
| 24 | Spare Fuse Holder |
| 25 | Spare Fuse Holder |
| 26 | Spare Fuse Holder |
| 27 | Spare Fuse Holder |
| 28 | Spare Fuse Holder |
| 29 | Spare Fuse Holder |
| 30 | Spare Fuse Holder |
| 31 | Spare Fuse Holder |
| 32 | Spare Fuse Holder |
| 33 | Rear Defog |
| 34 | Accessory Power Outlets, Cigarette Lighter |
| 35 | Generator |
| 36 | Not Used |
| 37 | Air Conditioning Compressor, Body Function Control Module |
| 38 | Automatic Transaxle |
| 39 | Powertrain Control Module (PCM) |
| 40 | Anti-Lock Brakes (ABS) |
| 41 | Ignition System |
| 42 | Back-Up Lamps, Brake Transaxle Shift Interlock |
| 43 | Horn |
| 44 | PCM |
| 45 | Parking Lamps |
| 46 | Climate Control System, Air Conditioning |
| 47 | Canister Vent Valve, Exhaust Oxygen Sensors |
| 48 | Fuel Pump, Injectors |
| 49 | Not Used |
| 50 | Right Headlamp |
| 51 | Left Headlamp |
| 52 | Cooling Fan #2 |
| 53 | HVAC Blower (Climate Control) |
| 54 | Crank |
| 55 | Cooling Fan #2 Ground |
| 56 | Fuse Puller for Mini Fuses |
| 57 | Not Used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.